Table 1 Socio-demographic, physical and psycho-cognitive characteristics of the residents

Age (mean, SD)

85.85 ± 7.24

84.82 ± 6.09

87.28 ± 8.44

Sex n, (%)

 Male

18 (19.0%)

12 (21.8%)

6 (15.0%)

 Female

77 (81.1%)

43 (78.2%)

34 (85.0%)

ADL limitations (Barthel) n, (%)

 Independent

5 (5.3%)

5 (9.1%)

0

 Slight dependency

16 (16.8%)

16 (29.1%)

0

 Moderate dependency

36 (37.9%)

31 (56.4%)

5 (12.5%)

 Severe dependency

38 (40.0%)

3 (5.5%)

35 (87.5%)

Cognitive state (Pfeiffer) n, (%)

 Normal mental function

20 (21.1%)

18 (32.7%)

2 (5.0%)

 Mild cognitive impairment

14 (14.7%)

12 (21.8%)

2 (5.0%)

 Moderate cognitive impairment

20 (21.1%)

12 (21.8%)

8 (20.0%)

 Severe cognitive impairment

39 (41.1%)

12 (21.8%)

27 (67.5%)

 Unknown

2 (2.1%)

1 (1.8%)

1 (2.5%)

Urinary Incontinence (MDS) n, (%)

 Always continent

29 (30.5%)

27 (49.1%)

2 (5.0%)

 Occasionally incontinent

30 (31.6%)

19 (34.5%)

11 (27.5%)

 Frequently incontinent 

13 (13.7%)

2 (3.6%)

11 (27.5%)

 Always incontinent

23 (24.2%)

7 (12.7%)

16 (40.0%)

Physical performance (SPPB) n, (%)

 Robustness

5 (5.3%)

5 (9.1%)

0

 Prefrailty

11 (11.6%)

11 (20.0%)

0

 Frailty

22 (23.2%)

22 (40.0%)

0

 Disability

55 (57.9%)

15 (27.3%)

40 (100.0%)

 Unknown

2 (2.1%)

2 (3.6%)

0

 Score (mean, SD)

3.10 ± 3.40

5.43 ± 2.7

0

SB and ATMB variables (mean, SD)

 Hours awake (h)

12.49 ± 1.81

13.39 ± 1.39

11.25 ± 1.58

 Standing duration (h) 

1.80 ± 2.05

2.89 ± 2.04

0.29 ± 0.66

 % time awake standing 

13.4 ± 14.5

21.3 ± 14.1

2.6 ± 5.3

 Walking duration (h)

0.42 ± 0.55

0.72 ± 0.56

0.01 ± 0.04

 % time awake walking

3.2 ± 4.5

5.5 ± 4.7

0.1 ± 0.2

 Absolute time upright (h)

2.22 ± 2.41

3.61 ± 2.26

0.31 ± 0.70

 % time awake upright (h)

16.70 ± 17.51

26.85 ± 16.19

0.80 ± 5.54

 Number of sit to stand transitions

24.14 ± 19.91

35.73 ± 18.31

8.20 ± 6.41

 Absolute time in SB (h)

10.26 ± 2.10

9.77 ± 2.29

10.93 ± 1.60

 % time awake in SB

83.3 ± 17.5

73.1 ± 16.2

97.2 ± 5.5

 Number of SB bouts < 30 min (h)

19.22 ± 18.92

29.51 ± 18.57

5.08 ± 5.57

 Absolute time spent in bouts < 30 min (h)

1.74 ± 1.62

2.75 ± 1.40

0.35 ± 0.47

 % time awake in bouts < 30 min

13.2 ± 12.0

20.5 ± 10.5

3.2 ± 4.0

 Number of SB bouts between 30–60 min

2.35 ± 2.23

3.84 ± 1.70

0.30 ± 0.75

 Absolute time spent in bouts between 30–60 min (h)

1.65 ± 1.53

2.65 ± 1.22

0.28 ± 0.51

 % time awake in bouts between 30–60 min

12.4 ± 11.0

19.6 ± 8.4

2.6 ± 4.6

 Number of SB bouts > 60 min

2.58 ± 1.06

2.44 ± 1.18

2.78 ± 0.86

 Absolute time spent in bouts > 60 min (h)

6.86 ± 3.86

4.36 ± 2.79

10.30 ± 2.05

 % time awake in bouts > 60 min

57.7 ± 34.5

33.1 ± 22.2

91.5 ± 12.6

 Average duration of SB bouts (min)

73.90 ± 94.11

24.46 ± 29.57

141.87 ± 109.31